Find the value of coefficient of friction if friction force is 230 N and Normal force is 800 N

Q: Mass of a body is 10 kg, What is it's weight?

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Q: The impedance from a to b in one of the cir- cuits below is plotted as a function of angular…

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Q: What’s that in the sky? Is it a bird? Is it a plane? No, it’s a firework! Fireworks capture the…

A: The author is trying to give us an idea that the time of firework in the air must be equal to the…

Q: the net rate of heat loss by radiation from a skier standing in the shade, given the following. She…

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Q: Given data: Mass = 20 kg Density = Find volume 1010 kg / m³

A: Given data :                    Density    =    D                      Mass     =     m        To…

Q: Calculate the current if 7.3 C of charge passes through a point over 2.1 s.

A: Given data:  Charge (q) = 7.3 C Time (t) = 2.1 s Required: Current (I)

Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 14.5 Q. When they are…

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Q: Determine the albedo flux for an orbit around Earth in Watts/m2, given an altitude of 1,186 km

A: Given  altitude = 1,186 km To find out  The albedo flux for an orbit around Earth in Watts/m2,

Q: Whenever a battery is charging, which of the following is true? The given information is…

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Q: In a lab, a foot-long test tube contains gasoline (density equal to 748.9 kg/m³) and oil (density…

A: Use pressure formula and add pressure for both the parts.

Q: Two bugs are running back and forth along a straight branch at constant speeds without stopping.…

A: Consider the distance between the branch as x. Since the ratio of their speeds is constant, the…

Q: layer of oil (n = 1.45) floats on an unknown liquid. A ray of light originates in the oil and passes…

A: Givenn1=1.45Angle of incidence, θi= 62.8°angle of refraction, θr=62°

Q: If we had 24A of current running through a series system when an additional resistance is added,…

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Q: A circular loop of wire is placed at the end of a solenoid where the magnetic field exits. With…

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Q: A metallic weight is suspended from a metal spring. What would happen if now a current is passed…

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Q: A mass is attached to the end of a spring. It oscillates in simple harmonic motion following: x(t)…

A: A mass is attached to the end of a spring. It oscillates in simple harmonic motion x(t) = (1.0 cm)…

Q: Mass of a body is 10 kg, What is it's weight?

A: Given data :             Acceleration due to gravity    =   g                  Mass   of  the  body…

Q: The maximum kinetic energy of the beta particle emitted during the decay of {60}^_{27}Co.

A: When beta particle is emitted during the decay of C2760o it is convert in to N2860i…

Q: y Problem 1: Two billiard balls with the same mass m move towards one another. Ball one noves in the…

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Q: What is the frequency of lig must be absorbed by a hy atom for its electron to iun

A: Givenn1=2n2=3

Q: A 5.0-mm focal-length objective lens and 60-mm focal-length eyepiece in a simple microscope are…

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Q: moment the bar magnet is out of the loop, the induced current through the wire is ____________ (with…

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Q: One concert hall is twice as large as another. The temperature of the air in the second hall is 30%…

A: Given One concert hall is twice as large as another  The temperature of the air in the second hall…

Q: Solve this problem: A 0.70 kg metal dish contains 1 kg of water at 20 degree celcius. A 0.50 kg…

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Q: A 10 cm long solenoid with 500 turns produces a magnetic field inside it that is 20 times the…

A: Write the expression for the magnetic field inside the solenoid. Here, μo is the permittivity of…

Q: The figure below shows a circuit with a battery of EMF = 3.639 V, a resistor with R = 3.4622, and an…

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Q: If a flywheel is initially moving at an angular velocity Wi = 10 rad/s and accelerates to a final…

A: α = (Wf - Wi)/t  α = (400 - 10)/3α = 130rad/s2

Q: You are given a number of 33 Q resistors, each capable of dissipating only 1.5 W without being…

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Q: A RLC series circuit has C = 5 x 10-³ [F], R = 100 [22], and L = 3 × 10-³ [H]. This circuit is…

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Q: The temperature inside a Carnot refrigerator is 7.89°C. What is the high temperature, Th, in Celsius…

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Q: A retroreflector is any optic that reflects an incident ray, such that the exiting ray is parallel…

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Q: Determine the value of pressure Force 2 N Area=0.5 m2

A: Given data : Force=F Area=A   Required : Pressure

Q: QUESTION 18 The baseball player in center field is playing approximately 300 feet from the…

A: GIVEN Distance between player and camera = 300 ft Distance between ball and the camera = 390 ft…

Q: Calculate the total resistance of the circuit shown below. Show your work. 31 Ω 27 Ω

A: R1 = 27 ohm R2 = 31 ohm arrangement type : parallel

Q: Find the value of speed of car if distance covered by car is 12 km in 0.5 hr

A: Distance covered, d=12 km Time taken, t=0.5 hour

Q: A transformer is designed to step down the 220 V. line voltage to 31 V. If there are 1115 turns on…

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Q: About how many joules of heat energy does it take to cook a pound of pasta? Use reasonable estimates…

A: Given The mass of a pound of pasta is about 0.45 kg To find out how many joules of heat energy does…

Q: The motion of a particle is governed by the relation a = 4t2, where a is in m/s² and t is in…

A: Givena=4t2At t=0V=2 m/sS=4 m

Q: An electron travels at 1% the speed of light. What is the magnitude of the maximum magnetic field…

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Q: You charge a piece of aluminum foil (mass = 2.35 g) by touching it to a charged rod. The charged rod…

A: Given : Mass of aluminum foil = 2.35 g = 0.00235 kg Weight of aluminum foil  = 0.00235*g Weight of…

Q: An everage-sized asteroid located 2.6x 10 km from Earth with mass 1.5x 10 kg is detected headed…

A: Given The distance between asteroid and earth = 2.6 x 107 Km Mass of the asteroid = 1.5 x 10 13 kg…

Q: A rock climber throws a small first aid kit to another climber who The initial velocity magnitude of…

A: GivenInitial velocity of kit, u=11 m/sangle ,θ=65°

Q: Problem 10: The restoring force in a Hooke's Law spring is a conservative force, and hence, the work…

A: (C) Total energy of mass E= 8 joule Equilibrium position of mass is at x=18 CM At x=14cm & 22 cm…

Q: A spring stretches by 0.0204 m when a 3.33-kg object is suspended from its end. How much mass should…

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Q: A pinao string of density 0.005 kg/m is under a tension of 1350 N. Find the velocity in m/s with…

A: Given data:  Linear mass density (μ) = 0.005 kg/m Tension (T) = 1350 N Required: Velocity (v)

Q: (q1xq2)/ r^2 where k = 9 x 10^9 C^2/m^2. a) Sketch the charges and use Coulomb's law to determine…

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Q: For a magnifying glass, as shown: Image (Virtual!) object р i a. f>0, p>0, i0, i 0, p>0, i>0 d. f>…

A: In given diagram image in virtual , upright and magnified . Therefore , lens must be converging lens…

Q: 2. Find the electric potential V(x, y) due to the following system. V=V₂. V=0

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Q: One side of a lens is convex with radius of curvature 30 cm. The other side is concave with radius…

A: Given data: The radius of curvature of convex lens is Rconvex=30 cm. The radius of curvature of…

Q: Calculate the total kinetic energy (in MeV) carried away by the pions after this decay: K0 → π+ + π-

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”